I was in the middle of a test and was failing to receive email alerts that my shells had connected. After investigation, I determined the egress filtering on the firewall wasn't allowing outbound mail. I solved this problem by creating an SSH tunnel that relayed tcp port 25 to my mail server and configured the pwnplug to direct mail to localhost. It seemed to work for me - I think this would be a good feature to add to the PwnPlug for all users that will provide an alternate method of sending the connection emails if strict egress filtering is enabled.
I was in the middle of a test and was failing to receive email alerts that my shells had connected. After investigation, I determined the egress filtering on the firewall wasn't allowing outbound mail. I solved this problem by creating an SSH tunnel that relayed tcp port 25 to my mail server and configured the pwnplug to direct mail to localhost. It seemed to work for me - I think this would be a good feature to add to the PwnPlug for all users that will provide an alternate method of sending the connection emails if strict egress filtering is enabled.